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Storyboard
Mary is in charge of approving Phyllis's trip.  In order to do so, she has a visual queue where she can go from one person to the next and figure out who needs to be approved and who doesn't need to be approved.

Visibility 
The approval interface is very visible, because key information appears before Mary.  The important information she needs to be able to see is how much budget she has left over to use and who's trip she is approving.  By having the person's total travel dollar amount and to be able to check that value against her total available budget, visibility allows her to be able to make the accept or deny decision very quickly.

Learnability 
The interface is very visible, because the arrows clearly show that by clicking on the arrows you can click to the next person.  Arrows are symbols used in many other applications, including in web browsers, so the interface should be very easy for Mary or anyone to learn how to use.

Efficiency 
The interface is very efficient if the user's only purpose is to approve or deny people based on a queue.  The interface can become very cumbersome for an employee base that is too large.  It would be difficult to use this interface if you were trying to find someone's specific trip to approve.

Errors 
Errors can result by clicking approve or deny too quickly.  However, with an interface that clearly defines who's trip you are looking at, it would be very easy to fix.


Analyze Trip


 

Storyboard
Juan is in charge of analytics.  The interface here allows him to visualize the data such that all financial data from the company can be analyzed.  This program will allow Juan to figure out which departments are spending the most money and look for irregularities.  This interface is closely modeled after mint.com.  Mint.com works very well as a web interface for analyzing financial data, which is what this part of the tool seeks to accomplish.

Visibility 
This interface is very effective visibility wise.  Graphs can be easily configured to view data that Juan wants to see.  Juan wants to see which departments to contact that have been spending too much money on travel and the trends different departments are having with spending.  The tabs on the left allow Juan to easily customize which graphs he wants to see.

Learnability 
The interface is very easy to learn.  The graphs are clearly labeled, and the affordance of the date bar at the top of the page shows that it controls how many months of data to display on the graphs.

Efficiency 
The interface could be made to be more efficient.  Often times, people want to see the raw data and make calculations themselves.  In this interface, users are forced to create graphs and are unable to extract raw data.

Errors 
Errors can be made if the wrong tab is clicked.  What could happen is that a wrong department could be clicked on, and then the wrong graph would be displaying.  However, using this program, errors are prevented because graphs are clearly labeled and can be easily modified to a graph that the user intended on creating.